A robot with a square head.
Correct, now the other robot with a square head.
Correct. A large gem on a stand.
No, not that one. This is like a gem set into a display with pointed feet.
No, neither of those are correct.
Remove the shovel.
Remove the shape with the tall thin pole.
Now add the animal with the long neck and flat back.
Add the horse.

Outcome: successful
Speaker comments: Bot did some bizarre things but we did get there in the end so I guess I can't complain.